What are the main explanations of Schizophrenia

There are several different theories that can explain schizophrenia. There are biological explanations such as the dopamine hypothesis and genetic explanation, and there are social explanations such as the role of environmental factors. The genetic explanation suggests that schizophrenia is hereditary and is caused by genes. Studies of monozygotic and dizygotic twins in the 1950s often supported this theory. However, more recent studies tend not to support this claim. Another biological explanation is the dopamine hypothesis, which suggests that hyperactivity of dopamine, a neurotransmitter in the brain, causes schizophrenia. Social theories suggest that environmental factors such as trauma, low socio-economic status and inequality (to name a few), cause schizophrenia. However, recently studies have suggested that there is an interaction between biological and social factors. An individual may have a biological disposition to schizophrenia, but it may only be triggered if certain environmental factors occur. Equally, an individual may be subject to certain environmental factors, but they will not develop the disorder as they do not have a biological predisposition to it.

NG
Answered by Nicola G. Psychology tutor

9670 Views

See similar Psychology A Level tutors

Related Psychology A Level answers

All answers ▸

Outline and evalute Milgram's research into obediance.


What were the findings of Harlow's research on maternal deprivation


Briefly outline Milgram's study on obedience (6 marks)


The Central Executive is one feature of the working memory model. Name and describe the function of 2 other features of the model.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning